A282039 - cp's OEIS frontend

A282039 Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic residues mod p that are < p/2.

n	a(n)
1	3
2	33
3	60
4	138
5	315
6	390
7	663
8	1008
9	1425
10	1743
11	2280
12	2475
13	3108
14	3570
15	4323
16	4590
17	6045
18	8055
19	8418
20	9168
21	11610
22	12045
23	13398
24	14340
25	14823
26	15813
27	22425
28	23028
29	24885
30	26163
31	32310
32	33033
33	34503
34	35250
35	42333
36	43995
37	46548
38	49173
39	51870
40	52785
41	58443
42	60393
43	61380
44	66435
45	67470
46	70623

[3, 33, 60, 138, 315, 390, 663, 1008, 1425, 1743, 2280, 2475, 3108, 3570, 4323, 4590, 6045, 8055, 8418, 9168, 11610, 12045, 13398, 14340, 14823, 15813, 22425, 23028, 24885, 26163, 32310, 33033, 34503, 35250, 42333, 43995, 46548, 49173, 51870, 52785, 58443, 60393, 61380, 66435, 67470, 70623]

cp's OEIS Frontend

A282039 Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic residues mod p that are < p/2.

Table of values

List of values